Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

Porosphæra, [67].

Prismatium, [1009].

tripleurum, [1010].

tripodium, [1009].

Pristacantha, [765].

dodecodon, [766].

octodon, [765].

polyodon, [766].

Pristodiscus, [418].

Procyttarium, [13].